Article list

Effects of contrast agents on relaxation properties of 31P metabolites, and the differences in skeletal muscle and cardiac energy metabolism between young and seniors

Investigators: Valkovič L.  Frollo, I.  Ústav merania SAV Phosphorous MR spectroscopy (31P-MRS) forms a powerful, non-invasive research tool for energy metabolism quantification in the heart and skeletal muscle tissue in diverse patient populations.  In this work, we have quantitatively assessed the impact of contrast agents, used in radiology, on the relaxation properties of 31P metabolites….

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Stress detection during scanning in an MRI tomography using continuous measurement of cardiovascular parameters using a photoplethysmographic optical sensor

Investigators: Přibil, Jiří, Přibilová Anna, Frollo, Ivan Parallel measurement of cardiovascular parameters using a photoplethysmographic (PPG) optical sensor and standard portable blood pressure monitors was carried out in various situations of physical and mental stimulation and relaxation. The cardiovascular changes can be detected by the Oliva-Roztočil index values, the instant heart rate and the blood…

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Multiparametric optimization of the localization of the source of ectopic heart cycles using a simple dipole: A case study

Investigators: Svehlikova, J. – Zelinka, J. – Tysler M. – Tino, P. In an informal collaboration with P. Tín from the University of Birmingham, we investigated the possibility of using two parameters simultaneously for non-invasive inverse localization of the stimulation site in a patient with stimulated heart activity using surface ECG maps and chest geometry…

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The comparison of the performance of the magnetic resonance 3 T and 7 T by using of T2 – relaxation parameters mapping for untreated low-grade cartilage lesions

Investigators: V. Juráš, P. Szomolányi, L. Valkovič The goal of the research was to investigate T2 – relaxation parameters mapping as a possible marker for low-grade human articular cartilage lesions during a one-year follow-up, possible changes during the follow-up and compare the reliability and sensitivity of these measurements on high-field (3 T) and ultra-high-field (7…

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